diff --git a/apps/web_theme/templates/web_theme_base.html b/apps/web_theme/templates/web_theme_base.html
index 5fbcc7180c..0e39b61baa 100644
--- a/apps/web_theme/templates/web_theme_base.html
+++ b/apps/web_theme/templates/web_theme_base.html
@@ -14,7 +14,7 @@
 
         <link rel="stylesheet" href="{{ MEDIA_URL }}web_theme_media/stylesheets/base.css" type="text/css" media="screen" />
         <link rel="stylesheet" id="current-theme" href="{{ MEDIA_URL }}web_theme_media/stylesheets/themes/{{ web_theme }}/style.css" type="text/css" media="screen" />
-        <style>
+        <style type="text/css">
             .message span.dismiss {
                 padding:0 5px;
                 cursor:pointer;